Manufacture
of industrial
valves
Ru / Eng / Ae
Swing check valves
DN 2˝… 40˝ Class 150...400
Swing check valves
APPLICATION

Designed to prevent medium return (back) flow at pipelines transporting liquid and gaseous mediums at the temperature up to +425°С





Line medium flow: 
under disk.
Tightness:   
    DN150 – 5 cm³/min;
    DN200 – 7 cm³/min;
    DN300,400 – 25 cm³/min;
    DN500,600 – 45 cm³/min;
    DN800 – 80 cm³/min.
Mounting at the pipeline:
  - at horizontal pipelines: valve base downwards;
  - at sloping pipelines (also in vertical position): inlet pipe  
    downwards with disk pivot in horizontal position.
Connection: welded, wafer type.
Materials: CS, LTCS upon Customer’s request.
Actuation: medium flow.
Service life: 30 years.

DEMPFER - 2 слайд.jpg


DESIGN FEATURES


1. Closure sealing: metal-to-metal.

2. Corrosion-resistant overlaying of seats and disc sealing surfaces.

3. Thermo expanded graphite gaskets.

4. Disk is fixed at the rigid axle.



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